Area And Volume

Question 1

Area of a Square and Rectangle?

Answer 1

A=L X W
E.g. 12(length)X12(width)
=144cm squared

Question 2

Area of a circle?

Answer 2

A=pi Rsquared
E.g. 4 squared X pi
=50.27ft

Question 3

Area of a triangle?

Answer 3

A=1/2bXh
E.g.1/2 5X10
=2.5X10
=25cm

Question 4

Area of a parallelogram?

Answer 4

A= bXh
E.g.b=8cm h=4cm
A=bxh
=32cm squared

Question 5

Area of a trapezium?

Answer 5

A=1/2(b+a)xh
E.g.A=1/2(b+a)xh
=1/2(12+8)x3
=10x3
=30cm

Question 6

Volume of a rectangular prism

Answer 6

V=LxWxh
E.g.6x4x3
=72cm cubed

Question 7

Volume of a triangular prism?

Answer 7

V=(1/2bxh)xl
E.g.A=1/2 2x6=12
V=12x8=96 cm cubed